A monograph of the Ophioglossaceae
By: by Robert T. Clausen
Series: Memoirs of the Torrey botanical club -- v.19, no.2; Memoirs (Torrey Botanical Club) -- v. 19, no. 2
Publisher: G. Banta publishing company
Published: 1938
Place of publication: Menasha, Wis
Language: eng
Number of pages: 177
Subjects: Ophioglossaceae
Notes: "Literature cited": p.167-171.